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iOS/tvOS/watchOS/visionOS: Improve File Debug impl

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This uses `libc::fcntl`, which, while not explicitly marked as available
in the headers, is already used by `File::sync_all` and `File::sync_data`
on these platforms, so should be fine to use here as well.
This commit is contained in:
Mads Marquart 2024-05-06 08:20:48 +02:00
parent 28622c9e52
commit ff41c99bb8
1 changed files with 9 additions and 9 deletions
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18
library/std/src/sys/pal/unix/fs.rs
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@ -1493,11 +1493,11 @@ impl fmt::Debug for File {
readlink(&p).ok()
}
#[cfg(target_os = "macos")]
#[cfg(target_vendor = "apple")]
fn get_path(fd: c_int) -> Option<PathBuf> {
// FIXME: The use of PATH_MAX is generally not encouraged, but it
// is inevitable in this case because macOS defines `fcntl` with
// `F_GETPATH` in terms of `MAXPATHLEN`, and there are no
// is inevitable in this case because Apple targets define `fcntl`
// with `F_GETPATH` in terms of `MAXPATHLEN`, and there are no
// alternatives. If a better method is invented, it should be used
// instead.
let mut buf = vec![0; libc::PATH_MAX as usize];
@ -1538,12 +1538,12 @@ impl fmt::Debug for File {
#[cfg(not(any(
target_os = "linux",
target_os = "macos",
target_os = "vxworks",
all(target_os = "freebsd", target_arch = "x86_64"),
target_os = "netbsd",
target_os = "illumos",
target_os = "solaris"
target_os = "solaris",
target_vendor = "apple",
)))]
fn get_path(_fd: c_int) -> Option<PathBuf> {
// FIXME(#24570): implement this for other Unix platforms
@ -1552,12 +1552,12 @@ impl fmt::Debug for File {
#[cfg(any(
target_os = "linux",
target_os = "macos",
target_os = "freebsd",
target_os = "hurd",
target_os = "netbsd",
target_os = "openbsd",
target_os = "vxworks"
target_os = "vxworks",
target_vendor = "apple",
))]
fn get_mode(fd: c_int) -> Option<(bool, bool)> {
let mode = unsafe { libc::fcntl(fd, libc::F_GETFL) };
@ -1574,12 +1574,12 @@ impl fmt::Debug for File {
#[cfg(not(any(
target_os = "linux",
target_os = "macos",
target_os = "freebsd",
target_os = "hurd",
target_os = "netbsd",
target_os = "openbsd",
target_os = "vxworks"
target_os = "vxworks",
target_vendor = "apple",
)))]
fn get_mode(_fd: c_int) -> Option<(bool, bool)> {
// FIXME(#24570): implement this for other Unix platforms